#!/usr/bin/env node

const log = console.log,
      usr = {
        name: 'wjy',
        age: 20,
        qqemail: '2741475985.com'
      }
log('name:\t%s', usr.name)
log('age:\t%d', usr.age)
log('usr:\t%j', usr)

console.error('Eorr:something wrong')

console.table(usr)
